Alert USA
weather NWS minor Allegheny, PA September 4, 2026 at 12:38 AM

Flood Advisory

...The National Weather Service in Pittsburgh has issued a Flood Advisory for the following rivers in Pennsylvania...

Ohio River At Pittsburgh affecting Allegheny County.

.THe Ohio River at Pittsburgh will remain elevated tonight due to heavy rainfall.

* WHAT...Flooding caused by excessive rainfall is expected.

* WHERE...Ohio River at Pittsburgh.

* WHEN...From this evening to late tonight.

* IMPACTS...At 18.0 feet, Water begins to flow onto the Monongahela Parking Wharf.

* ADDITIONAL DETA

Flooding in Allegheny, PA can cut off roads with little warning, damage homes near low-lying areas, and disrupt power and water service. Even a few inches of moving water can carry away a vehicle.

This report is based on information from NWS, monitored by Alert USA's verified emergency feed.

Alert USA anticipates a high chance of travel disruptions, elevated property risk in low-lying areas, and possible power outages while the event is active.

Recommended steps: avoid flooded roads — turn around, don't drown; move to higher ground if you are in a low-lying area; charge phones and prepare for power loss; check on family and neighbors.

Alert USA is tracking this flood event and will update this report as verified information becomes available.

Verified by Alert USA • NWS

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